MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

/**
 *Output: 
Original contents of al: C A E B D F 
Modified list backwards: F+ D+ B+ E+ A+ C+ 
    
 */

import java.util.ArrayList;
import java.util.Iterator;
import java.util.ListIterator;

public class MainClass {
    public static void main(String args[]) {
        ArrayList<String> al = new ArrayList<String>();

        al.add("C");
        al.add("A");
        al.add("E");
        al.add("B");
        al.add("D");
        al.add("F");

        System.out.print("Original contents of al: ");
        Iterator<String> itr = al.iterator();
        while (itr.hasNext()) {
            String element = itr.next();
            System.out.print(element + " ");
        }
        System.out.println();

        ListIterator<String> litr = al.listIterator();
        while (litr.hasNext()) {
            String element = litr.next();
            litr.set(element + "+");
        }

        // Now, display the list backwards.
        System.out.print("Modified list backwards: ");
        while (litr.hasPrevious()) {
            String element = litr.previous();
            System.out.print(element + " ");
        }
    }
}